<!doctype html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>Template • TodoMVC</title>
		<link rel="stylesheet" href="node_modules/todomvc-common/base.css">
		<link rel="stylesheet" href="node_modules/todomvc-app-css/index.css">
		<!-- CSS overrides - remove if you don't need it -->
		<link rel="stylesheet" href="css/app.css">
	</head>
	<body>
		<section class="todoapp" id="todoapp">
			<header class="header">
				<h1>todo</h1>
				<!-- 添加数据 -->
				<input @keyup.enter="addItem" 
				class="new-todo" placeholder="What needs to be done?" 
				v-app-focus>
			</header>
			<template v-if="items.length">
				<!-- This section should be hidden by default and shown when there are todos -->
				<section class="main" >
					<input id="toggle-all" class="toggle-all" type="checkbox" v-model="toggleAll">
					<label for="toggle-all">Mark all as complete</label>
					<ul class="todo-list">
						<!-- These are here just to show the structure of the list items -->
						<!-- List items should get the class `editing` when editing and `completed` when marked as completed -->
						<li v-for="(item, index) in filterItems" :class="{completed: item.completed, editing: item === currentItem}">
							<div class="view">
								<input class="toggle" type="checkbox" v-model="item.completed">
								<label @dblclick="toEdit(item)">{{item.content}}</label>
								<button class="destroy" :value="item.id" @click="removeItem(index)"></button>
							</div>
							<input
							v-todo-focus="item === currentItem"
							@blur="finishEdit(item, index, $event)" 
							@keyup.enter="finishEdit(item, index, $event)" 
							@keyup.esc="cancelEdit"
							class="edit" :value="item.content">
						</li>
					</ul>
				</section>
				<!-- This footer should hidden by default and shown when there are todos -->
				<footer class="footer">
					<!-- This should be `0 items left` by default -->
					<span class="todo-count"><strong>{{remaining}}</strong> item{{remaining === 1 ? '' : 's'}} left</span>
					<!-- Remove this if you don't implement routing -->
					<ul class="filters">
						<li>
							<a :class="{selected: filterStatus === 'all'}" href="#/">All</a>
						</li>
						<li>
							<a :class="{selected: filterStatus === 'active'}" href="#/active">Active</a>
						</li>
						<li>
							<a :class="{selected: filterStatus === 'completed'}" href="#/completed">Completed</a>
						</li>
					</ul>
					<!-- Hidden if no completed items are left ↓ -->
					<button @click="removeCompleted" v-show="remaining &lt; items.length" class="clear-completed">Clear completed</button>
				</footer>
			</template>
			
		</section>
		<footer class="info">
			<p>Double-click to edit a todo</p>
			<!-- Remove the below line ↓ -->
			<p>Template by <a href="http://sindresorhus.com">Sindre Sorhus</a></p>
			<!-- Change this out with your name and url ↓ -->
			<p>Created by <a href="http://todomvc.com">you</a></p>
			<p>Part of <a href="http://todomvc.com">TodoMVC</a></p>
		</footer>
		
		<!-- Scripts here. Don't remove ↓ -->
		<script src="node_modules/vue/dist/vue.js"></script>
		<script src="node_modules/todomvc-common/base.js"></script>
		<script src="js/app.js"></script>
	</body>
</html>
